#include int main(int argc, char *argv[]) { argparse::ArgumentParser program("test"); program.add_argument("integer").help("Input number").scan<'i', int>(); program.add_argument("floats") .help("Vector of floats") .nargs(4) .scan<'g', float>(); try { program.parse_args(argc, argv); } catch (const std::runtime_error &err) { std::cerr << err.what() << std::endl; std::cerr << program; std::exit(1); } if (program.is_used("integer")) { std::cout << "Integer : " << program.get("integer") << "\n"; } if (program.is_used("floats")) { std::cout << "Floats : "; for (const auto &f : program.get>("floats")) { std::cout << f << " "; } std::cout << std::endl; } }